Andrew,
By removing the screw, you then have to press the DOF preview button to stop
down the lens when you release the shutter. It allows you to preset the
aperture, focus, press the DOF and then the shutter to shoot. Perhaps a
little more friendly for off tripod shooting.
-Mickey
----- Original Message -----
From: "Andrew Fildes" <afildes@xxxxxxxxxxxxxx>
To: <olympus@xxxxxxxxxx>
Sent: Wednesday, May 19, 2004 9:36 AM
Subject: [OM] Re: 10D adapted, was Re: Comet
>
> Just received my Kindai adapter from Cameraquest - only took 6 days
> from Cal. to Melbourne! First impression, using a 50/1.4 Zuiko is that
> it is very sharp and easy to use as a portrait lens (equiv. 80/1.4) and
> considering that the Canon 85's are rather expensive - I'll cope with
> the inconvenience of stop down. In fact, the light drop is low enough
> that the finder image is reasonable up to f8 at least.
> The main problem is the finder screen - rather tricky to focus well on
> a clear screen while wide open but easy to check with the view screen
> magnification and reshoot.
> Also good wide ratios with my 16mm, 18mm and 24mm Zuiks. (esp. the
> 16mm). I'll give it a good try-out with the 85mm and 135mm Macro at the
> weekend.
> The two mount buttons is a great feature as it's easy to switch lenses
> to either another Zuik or to a Canon (although my old EF 35-135mm looks
> a bit sad now!) with a simple choice.
> However, I don't understand his this 'pre-set' mode - mine stops down
> when I mount the lens to the properly seated adapter so what is this
> other way of doing things?
> AndrewF
>
> On 19/05/2004, at 7:51 AM, Carlos J. Santisteban Salinas wrote:
> > I use the Kidai adapter. I also own several other adapters, but none
> > is as
> > well made as Kindai's, neither as convenient to use. Having the
> > (un)lock
> > button on the lens itself is a plus of Zuiko lenses, when it comes to
> > adapters...
> >
> > Like Moose, I prefer the 'stop-down' mode (aperture varies while
> > moving the
> > ring) of the adapter, rather than the 'preset' mode -- pressing the DOF
> > button while shooting is never convenient, and even less with the
> > bigger
> > body of the Can*n wonderbrick.
> >
> > The lack of auto-aperture is acceptable for me.
> >
> >> Do you use your Oly lenses on the EOS for general photography as well
> >> as astrophotography?
> >
> > Yes, I do. The Zuiko 28/2 makes a great standard lens (45mm equiv.)
> >
> > I also own the bundled 18-55, but I find it to be a mediocre performer
> > of
> > *extremely flimsy* build quality. I mostly use it for eBay's pics --
> > it's
> > the only way to use the built-in flash!
> >
> >> If so, how do you handle the camera's
> >> expectations for an electronic lens connection and responses?
> >
> > As Moose mentioned, the camera will work OK on Manual &
> > Aperture-priority
> > modes. It will allow Program & Shutter-priority, but these are likely
> > to
> > get wrong (over) exposures, thus not usable. Viewfinder display (and
> > EXIF
> > data) shows shutter speed, but obviously *not* the aperture (it's
> > always
> > '00'). A non-dedicated flash will work OK, but the E-TTL of this camera
> > *needs* a dedicated lens to work, so no TTL-OTF with Zuikos :-(
> >
> > When using apertures of f/2 and larger, it needs some exposure
> > compensation
> > (up to -1 1/3). This is not a fault of the camera, but a generic
> > limitation
> > of TTL meters in *all* cameras, *mechanically* compensated in the lens
> > couplings -- not available when an adapter is used.
> >
> > As in any other AF SLR, the "focusing" screen is not good for focusing
> > manually -- fortunately, the Varimagni fits nicely on the 300D...
> >
> > Enjoy,
> >
> > ...
> >
> > Carlos J. Santisteban
> >
> > <cjss@xxxxxxxxxxxxx>
> > <http://cjss.galeon.com>
> >
> >
> >
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> >
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> >
> >
> >
> http://www.pbase.com/afildes
>
>
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